Pinnacle Airlines President Phil Trenary addresses hundreds of employees, downtown supporters and officials during a celebration commemorating his company's move to its new headquarters at One Commerce Square on Oct. 8, 2010. File/The Commercial Appeal

March 15, 2011 - Pinnacle Airlines President and CEO Phil Trenary reflects on his 14 years with Pinnacle during an interview Tuesday afternoon about his decision to step down as head of the Memphis based airline. File photo/The Commercial Appeal

March 15, 2011 - Pinnacle Airlines President and CEO Phil Trenary reflects on his 14 years with Pinnacle during an interview Tuesday afternoon about his decision to step down as head of the Memphis based airline. File photo/The Commercial Appeal

March 15, 2011 - Pinnacle Airlines President and CEO Phil Trenary reflects on his 14 years with Pinnacle during an interview Tuesday afternoon about his decision to step down as head of the Memphis based airline. File photo/The Commercial Appeal

March 15, 2011 - Pinnacle Airlines President and CEO Phil Trenary reflects on his 14 years with Pinnacle during an interview Tuesday afternoon about his decision to step down as head of the Memphis based airline. File photo/The Commercial Appeal

October 27, 2015 - Phil Trenary (center), President and CEO, Greater Memphis Chamber, listens to David Porter, President and Founder, Consortium Memphis Music Town, as he leads a tour of the Consortium's Talent Development Complex at 119 S. Main St. Tuesday. "The future of this city lives in its young," David Porter said. "I'm so proud of the young people of this city." (Yalonda M. James/The Commercial Appeal) File photo/The Commercial Appeal

November 19, 2014 - Phil Trenary (left) and Carolyn Hardy were among those who spoke to the Shelby County Commission during an economic development session at a retreat held at the University of Memphis Fogelman Executive Center. (Mike Brown/The Commercial Appeal) File photo/The Commercial Appeal

October 27, 2015 - (From left to right) - Diane Rudner, Chairman of the Board of Trustees, Plough Foundation, David Porter, Founder and President, Consortium Memphis Music Town, Mike Bruns, Founder and former president of Comtrak, Phil Trenary, President and CEO, Greater Memphis Chamber, and George Monger, Vice President and Executive Director, Consortium Memphis Music Town, have a ribbon cutting ceremony during the opening of the Consortium's Talent Development Complex at 119 S. Main St. Tuesday. (Yalonda M. James/The Commercial Appeal) File photo/The Commercial Appeal

Memphis Chamber of Commerce President and CEO Phil Trenary (left) jokes with Ikea's Real Estate Manager Reed Lyons and Expansion Public Affairs Manager Joseph Roth (right) after a press conference in December 2014 in the Hall of Mayors to announce that a new Ikea store is planned for the Wolfchase area. File photo/The Commercial Appeal

Northwest Airlink president Phil Trenary deplanes the Spirit of Memphis in this 1998 file photo just prior to take-off Wednesday as his airline gets back up and running following Northwest Airlines strike. File photo/The Commercial Appeal

Airline industry career: Started airline at Oklahoma flight school in 1978. Moved to Dallas and grew business serving as regional partner for American, Frontier Airlines. Sold Lone Star Airlines in 1996. Came to Memphis in 1997 to run regional affiliate of Northwest Airlines, later known as Northwest Airlink. Took company public in 2003 and grew from $78 million annual revenues to more than $1 billion. Resigned in March 2011 with $3 million in separation benefits.

Consulting: After he left Pinnacle, Trenary consulted with airline industry and not-for-profit organizations, including the Greater Memphis Chamber, University of Memphis and EmergeMemphis.

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Pinnacle Airlines President Phil Trenary addresses hundreds of employees, downtown supporters and officials during a celebration commemorating his company's move to its new headquarters at One Commerce Square on Oct. 8, 2010.(Photo11: File/The Commercial Appeal)